doesn't mitt romney understand, we can't rebuild america...by tearing down the middle class. priorities usa action is responsible for the content of this advertising. >>> i'm melissa mollet at the news 4 live desk. that american tourist we told you about who opened fire in a hotel killing one has also been killed. there are reports the man might be an employee of the hotel, a former employee, i should say. the gunman reportedly grabbed a gun from the security guard, shot an employee earlier today, and then barricaded himself inside his room there. we'll pass along more information as we get it. at the live desk, melissa mollet, news 4. >>> 15 before the hour now. dozens of american airlines flights are cancelled today as the carrier makes more repairs to seats that could come loose in midflight. the airline announced yesterday it would again ground 48 planes to make more repairs. that caused 50 flights to be cancelled yesterday and another 44 to be cancelled today. initially, a faulty clamp was blamed for the problems, but now american says a combination of wear, poor design,